查询词典 sampling

Therefore, this chapter deals entirely with probability sampling.

因此，完全符合概率抽样本章交易。

Statistics students study probability theory and sampling theory.

学生学习概率论和抽样法理论。

Probability and Statistics: A sampling of classic problems in probability and statistics.

机率和统计：机率和统计经典问题范例。

A total number of 2,422 people who were extracted by Stratified cluster sampling design and Probability Proportional to Size were used.

其中自北部机构有592人，中部机构有576人，南部机构有646人，东部机构有187人，总样本数共为2001人。

In probability sampling, a statement of the likelihood that a range of [size=+0]value s i.e.

在随机抽样中，它代表了一组数值成为真实人口数值的可能性。

Methods A Probability Proportionate to Size Sampling was used, and 7913 female sex workers were visited to fill in a questionnaire.

采用按规模大小成比例的概率抽样方法对7913例暗娼进行问卷调查。

In a large population, the probability of sampling error is small and little change to the allele frequencies is expected, even over many generations.

在一个大群体中，抽样误差的概率小，甚至经过许多世代等位基因频率的变化都很小。

Probability sampling designs, estimation and efficiency comparisons.

概率抽样设计，估计和效率比较。

With probability sampling and home interview survey data of Shanghai and Chengdu, we use factor analysis to build the structure of romantic Index Scale.

以上海和成都概率抽样和入户面访的调查资料为依据，采用因子分析方法构建浪漫指数的结构量表。

Utilizing probability proportional to size sampling method, the study sampled 500 faculty members at 51 universities in Taiwan.

针对台湾51所一般大学教师依多阶段抽样进行问卷调查，共发出500份，问卷回收338份，有效问卷335份，回收率66.4％。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。